STS (Standard Transfer Specification) no fii ase sɛ adansi a wɔabue ano a wɔde sii hɔ wɔ South Africa wɔ 1993 mu, mfiase no na wɔde anyinam ahoɔden a wɔadi kan atua token a wɔde kɔ baabi foforo. Akyiri yi, IEC (International Electrotechnical Commission) yii no adi sɛ amanaman ntam gyinapɛn IEC62055-41,51, na mprempren wɔde di dwuma kɛse nso wɔ nsu ne gas mita ahorow mu. STS Smart Prepaid Water Meter no de mfiridwuma a ɛkɔ anim bom de ma nsuo mita ne dwumadie ano aduru a ɛyɛ adwuma yie, ɛyɛ mmerɛw, na wotumi de ho to so.
Mfiridwuma mu Nneɛma a Wɔde Yɛ Nneɛma
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Nneɛma |
Parameter a wɔde kyerɛ |
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Nominal caliber a wɔde di dwuma |
DN15 |
DN20 na ɛwɔ hɔ |
DN25 |
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Nneɛma a ɛboro so a ɛsen Q4(m3/h) . |
3.125 |
5 |
7.875 |
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Nsuo a ɛsen daa Q3(m3/h) . |
2.5 |
4 |
6.3 |
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Ɔhye so nsuo Q2(m3/h) . |
0.04 |
0.064 |
0.1008 |
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Min Nsuo Q1 (m3/h) . |
0.025 |
0.04 |
0.063 |
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Nsuo a Ɛntumi Nkɔ mu Level |
IP68 |
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Adwumayɛbea a Wɔyɛ |
-10℃-55℃, Ennu anaasɛ ɛne 100%RH yɛ pɛ |
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Nkutahodie |
LoRa Ennu anaa ɛne 1KM yɛ pɛ, LoRaWAN Ennu anaa ɛne 10KM yɛ pɛ (Akwansin ankasa gyina tebea horow so) |
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Batere |
Lithium batere (Er2650,8500mAh) a wɔde yɛ adwuma; 8 mfe nkwa nna; battery no yɛ nea wotumi sesa |
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Tumi a wɔde ma |
DC 3.6V na ɛwɔ hɔ |
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Kyerɛ Nsɛm a Ɛwɔ Mu |
Balance, nsuo a wɔatɔ, dodoɔ a wɔde adi dwuma,nsuo a wɔde di dwuma, Voltage, version Nos, ne nea ɛkeka ho |
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Sika a Ɛyɛ Static |
<20uA |
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Max akenkan |
99999 abodin krataa |
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Max Mfomso a Wɔma Ho Kwan |
Q1 Ennu anaa ɛyɛ pɛ Q Ennu anaa ɛyɛ pɛ Q2: ±5% . Q2 Ennu anaa ɛyɛ pɛ Q Ennu anaa ɛyɛ pɛ Q4:±2% . |
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Mfaso Titiriw a Ɛwɔ So
Wɔ nnwuma titiriw a nsu mita a wɔatua ho ka dedaw no akyi no, saa kɔbere paipu nsu mita a wɔatua ho ka dedaw yi wɔ mfaso atitiriw a edidi so yi.
Nsɛm a ɛne ne ho hyia:Hu nkitahodi a ɛda nhyehyɛe no afã horow a wɔn a wɔyɛ nhyehyɛe ahorow a wɔde tua ho ka ansa na wɔayɛ no ntam, na ɛbubu akwanside a ɛwɔ brand-specific incompatibility no mu.
Data a Ɛnyɛ Den a Wɔde Kɔma:Ɔnam 20-digit token so de nsuo credit/volume kɔ baabi foforɔ, na ɛmma ɛho nhia sɛ wɔde abɔnten data transfer media (token-less), a ɛma data a wɔde mena no yɛ mmerɛ.
Nsu a Wɔtɔ a Ɛyɛ Nsakrae:Boa nsakrae a ɛda prepaid ne postpaid modes ntam. Adetɔfoɔ bɛtumi afa nnwumakuo a wɔakyerɛ so atɔ nsuo denam POS anaa sika so, anaasɛ wɔn ankasa-som denam telefon a wokura kyin so denam APP, USSD, anaa e-tuatua so, ahyia su ahodoɔ a wɔde di dwuma.
Nea enti a ɛsɛ sɛ wopaw Kɔbere Nsu afiri
Sɛ wɔde toto plastic-pipe nsu mita ho a, kɔbere paipu prepaid nsuo mita wɔ mfasoɔ a ɛdidi soɔ yi.
Nhyɛso a emu yɛ den a ɛko tia, ɛfata ma nsuonwini & nsu a ɛyɛ hyew:Ɛgyina nhyɛsoɔ kɛseɛ ano (ɛtaa yɛ 2.0Mpa), ɛyɛ adwuma ma nsuo a ɛyɛ nwini ne nsuo a ɛyɛ hyeɛ nyinaa, ɛyɛ papa ma nhyɛsoɔ a ɛkorɔn-nhyɛsoɔ tebea te sɛ nsuo a ɛkɔ soro-a ɛkɔ soro.
Nkɛntɛnso-a ɛko tia & ɛtra hɔ kyɛ:Kɔbere yɛ den na ɛyɛ den, ɛnyɛ mmerɛw sɛ ɛbɛbubu bere a wɔabɔ no bere a wɔde rekɔ anaasɛ wɔde redi dwuma no, na ɛma ɛtra hɔ kyɛ.
Ɔhyew-a ɛko tia & ogya ntumi nkɔ mu:Ɛkame ayɛ sɛ ɛnsɛe anaasɛ ɛpaapae wɔ ɔhyew a ɛkɔ soro mu, ɔhyew ntrɛwmu/twetwe nketenkete, ogya a ɛko tia yiye de tew ogya ho asiane so.
Bere tenten-bere a ɛyɛ den:Ɛnyɛ mmerɛw sɛ wɔbɛma ayɛ mmerɛw wɔ nsu dodow no ara mu; ɛwom sɛ "kɔbere nsuo a ɛyɛ ahabammono" betumi aba wɔ nsuo a ɛyɛ mmerɛw soronko mu de, nanso ɛda so ara yɛ den sen plastic mita bi wɔ aduruyɛ akyi.
